Finding the Fourth Proportional to 78,633.30, 108,515.67 and 42,823.32

Step by Step Solution

1. Step 1: Write the proportion equation
   78,633.30 : 108,515.67 = 42,823.32 : x
2. Step 2: Convert to fraction form
   78,633.30/108,515.67 = 42,823.32/x
3. Step 3: Cross multiply
   78,633.30x = 108,515.67 × 42,823.32
4. Step 4: Simplify right side
   78,633.30x = 4,647,001,261.42
5. Step 5: Solve for x
   x = 4,647,001,261.42/78,633.30
6. Step 6: Final answer
   x = 59,097.12